210 of them.
36
The number is 36.
you take the four digits and multiply 4 by 4 you get 16 digits
4: 1999,9199,9919,9991
24
36
The number is 36.
you take the four digits and multiply 4 by 4 you get 16 digits
8(6741)3= 8(7654)3 the digits between 8,3 are 4. 6(7)4=6(5)4 so the answer is four (8,3&6,4)
If the digits are all different then 18. Otherwise, 192.
how make the answer im don/now
4: 1999,9199,9919,9991
10,000
pizza
24
128
1